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JIPMER 2014
Exam
JIPMER
Year
2014
Subject
Physics
Chapter
Work, Power and Energy

JIPMER 2014 · Physics · Work, Power and Energy

A ball is released from certain height which losses 50 \% of its...

A ball is released from certain height which losses 50%50 \% of its kinetic energy on striking the ground, it will attain a height again

Options

  1. A14\frac{1}{4} th of initial height
  2. B12\frac{1}{2} th of initial height
  3. C34\frac{3}{4} th of initial height
  4. DNone of the above

Correct answer

B. 12\frac{1}{2} th of initial height

Step-by-step solution

Ratio of heights h1h2=100100−50=2\frac{h_1}{h_2}=\frac{100}{100-50}=2 h2=h12=12h_2=\frac{h_1}{2}=\frac{1}{2} of the initial height.
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